package com.itany.nmms.service.impl;

import com.itany.nmms.constant.StatusConstant;
import com.itany.nmms.dao.StaffMapper;
import com.itany.nmms.entity.Staff;
import com.itany.nmms.entity.StaffExample;
import com.itany.nmms.exception.CodeErrorException;
import com.itany.nmms.exception.RequestParameterErrorException;
import com.itany.nmms.exception.StaffNotExistException;
import com.itany.nmms.service.StaffService;
import com.itany.nmms.util.MD5Util;
import com.itany.nmms.util.ParameterUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

/**
 * @date 2025/9/29
 */
@Service
@Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)
public class StaffServiceImpl implements StaffService {

    @Autowired
    private StaffMapper staffMapper;

    @Transactional(propagation = Propagation.SUPPORTS,readOnly = true)
    @Override
    public Staff login(String loginName, String password, String role, String code, String image) throws RequestParameterErrorException, CodeErrorException, StaffNotExistException {
        // 请求参数校验
        if(ParameterUtil.isNull(loginName) || ParameterUtil.isNull(password) || ParameterUtil.isNull(role) || ParameterUtil.isNull(code) || ParameterUtil.isNull(image)){
            throw new RequestParameterErrorException("请求参数有误");
        }
        // 判断验证码
        if(!code.equals(image)){
            throw new CodeErrorException("验证码错误");
        }
        // 登录查询,要求进行账号、密码、角色、是否在职的判断
        StaffExample example = new StaffExample();
        example.or()
                .andLoginNameEqualTo(loginName)
                .andPasswordEqualTo(MD5Util.md5(password))
                .andRoleEqualTo(role)
                .andStatusEqualTo(StatusConstant.STAFF_STATUS_ENABLED); //必须在职
        List<Staff> staffs = staffMapper.selectByExample(example);
        if(staffs.isEmpty()){
            throw new StaffNotExistException("账号密码错误");
        }
        return staffs.get(0);
    }
}
